Communication Server Large System Installation and Commissioning

Preparing for installation Page 39 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
• A System Monitor checks the column’s cooling and power systems.
• A blower unit (accessible from the front of the pedestal) forces air up
through the modules to cool the circuit cards.
Figure 1
Universal Equipment Modules
Top caps
A top cap is mounted on the top module of each column. It contains:
• Air exhaust grills in the cap that release air from the blowers in the
pedestal.
• A heat sensor that monitors the temperature of the column.
1-tier column
4-tier column
Pedestal
Module 0
553-AAA1241
Top Cap
Module 0
Module 2
Module 1
Module 3
N
O
R
T
E
L
N
O
R
T
E
L
N
O
R
T
E
L
N
O
R
T
E
L
N
O
R
T
E
L
Universal
Equipment Module
Universal
Equipment Module
Universal
Equipment Module
Universal
Equipment Module
Universal
Equipment Module
Tier 0